WASHINGTON, Jan. 31, 2012 -- Dog Whisperer is turning 150 on Saturday, February 11th - 150 episodes that is. To celebrate, Nat Geo WILD is hosting a photo contest on Instagram, the popular photo sharing iPhone app with over 15 million users and hundreds of millions of photos.

Since it isn't a birthday without cake, Nat Geo WILD is inviting viewers to put on their party hats and bake Cesar up a birthday cake for the big day. Starting Tuesday, January 31st through Friday, February 10th at midnight, viewers can share pics of their freshly baked cakes to Instagram with the tags #natgeowild and #happy150. Select photos will be featured on the Nat Geo WILD Facebook page throughout the week leading up to the premiere of Dog Whisperer's 150th episode, Home-Wrecking Hounds, on Saturday, February 11th at 8:00 p.m. ET/PT. Cesar's favorite cake will be announced on Instagram during the premiere - the winning photo will be featured on the homepage of CesarsWay.com and the winner will receive a call from the Dog Whisperer himself!

Nat Geo WILD and National Geographic Channel recently joined Instagram as @NatGeoChannels to share photos of upcoming shows and behind-the-scenes happenings. Follow @NatGeoChannels on Instagram for more information.

NAT GEO WILD

For more than 30 years, National Geographic has been the leader in wildlife programming. The networks Nat Geo WILD and Nat Geo WILD HD, launched in 2010, offer intimate encounters with nature's ferocious fighters and gentle creatures of land, sea and air that draw upon the cutting-edge work of the many explorers, filmmakers and scientists of the National Geographic Society. Part of the National Geographic Channels US, based in Washington, D.C., the networks are a joint venture between National Geographic and Fox Cable Networks. In 2001, National Geographic Channel (NGC) debuted, and 10 years later, Spanish-language network Nat Geo Mundo was unveiled. The Channels have carriage with all of the nation's major cable, telco and satellite television providers, with Nat Geo WILD currently available in 54 million U.S. homes. Globally, Nat Geo WILD is available in more than 96 million homes in 90 countries and 28 languages. For more information, visit www.natgeowild.com.